313940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1427}}^1$

素因数の和:1447

約数の個数: 24

約数和(自身を含む): 719712

約数和(自身を除く): 405772

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1427, 2854, 5708, 7135, 14270, 15697, 28540, 31394, 62788, 78485, 156970, 313940]

約数ペア:

[(1, 313940), (2, 156970), (4, 78485), (5, 62788), (10, 31394), (11, 28540), (20, 15697), (22, 14270), (44, 7135), (55, 5708), (110, 2854), (220, 1427)]